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Hydraulics

90B Brake Series

Spring-Applied, Pressure-Released Brake, Holding Torque 1,300-4,800 In. Lbs. (145-540 Nm), Maximum Release Pressure: 4,000 PSI., Maximum Speed: 3,900 RPM.

The 90B Series Brake is a multiple disk brake, with features including system pressures up to 3,000 psi or 5,000PSI with ‘E’ extra pressure option, compact SAE “B” package, hardened and ground steel shafts, and wet operation.

  • These brakes comply with SAE Mounting Standards for interchangeability with other spring apply, hydraulic release brakes
  • All of these brakes are function tested at the factory before shipment. Testing of each brake consists of a pressure cycle, holding torque and high-pressure leak testing to ensure that all brakes meet model specifications.
  • Specifications
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    Performance Characteristics

    Maximum Release Pressure 3,000 psi -
    Maximum Continuous pressure 3000 psi -
    Maximum Speed at Full Release Pressure 3,900 rpm -
    Shaft Splines 30° involute, flat root side fit per ANSI B92 1a-1976 internal - class 7, external - class 5
    Maximum Operating Temperature 170° F. 76° C.
    Oil Volume To Release Brake 0.3 cu. in. -
    Approximate Weight 25 lbs. 11 kg.
    Holding Torque 1,300-4,800 in. lbs. 145-540 Nm.

    Options

    Input mounting options -
    Extra pressure option -
    Maximum release pressure 5,000 psi available
    Maximum continuous pressure 5,000 psi available

    Features and Benefits

    For use with system pressure up to 3,000 psi or 5,000 psi with 'E' extra pressure option -
    Compact SAE "B" package -
    Hardened & ground steel shafts -
    Wet operation -
    Spring-applied/pressure-release brake -

    Markets

    Industrial -
    Mobile -

    Applications

    Mobile Straddle Crane -
    Feller Buncher -
    Material Augers -
    Flailing Machines -
    Feed Mixers -
    Compactors -
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